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Cheesy Sausage-Stuffed Spaghetti Squash

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This Cheesy Sausage-Stuffed Spaghetti Squash is a delicious and hearty dinner packed with Italian sausage, marinara sauce, melty cheese, and tender strands of spaghetti squash. It’s a low-carb, high-flavor dish that’s perfect for weeknights — and everything is baked right in the squash “boats” for easy cleanup!

Ingredients

Scale
  • 1 medium spaghetti squash (about 23 lbs), halved and seeds removed

  • 1 tablespoon olive oil

  • Salt and black pepper, to taste

  • 1 lb Italian sausage (mild or hot, casings removed)

  • 1 cup marinara sauce (store-bought or homemade)

  • 1 teaspoon Italian seasoning

  • 1 cup shredded mozzarella cheese

  • ¼ cup grated Parmesan cheese

  • 2 tablespoons chopped fresh parsley (optional, for garnish)

Instructions

  1. Roast the squash: Preheat oven to 400°F (200°C). Drizzle the cut sides of the squash with olive oil and season with salt and pepper. Place cut-side down on a baking sheet and roast for 35–40 minutes, or until fork-tender. Let cool slightly.

  2. Cook the sausage: While the squash roasts, brown the sausage in a skillet over medium heat. Break it up with a spoon and cook until fully cooked, about 7–8 minutes. Drain excess fat if needed.

  3. Add the sauce: Stir in the marinara sauce and Italian seasoning. Simmer for 2–3 minutes. Remove from heat.

  4. Prepare squash boats: Once the squash is cool enough to handle, use a fork to shred the inside into spaghetti-like strands, leaving them in the shell.

  5. Assemble: Divide the sausage mixture between the squash halves, mixing gently with the squash strands. Top with mozzarella and Parmesan.

  6. Bake again: Return to the oven and bake for another 10–15 minutes, until the cheese is bubbly and golden.

  7. Garnish and serve: Sprinkle with fresh parsley if desired and serve hot.

Notes

  • Use turkey sausage or plant-based sausage for a lighter or vegetarian version.

  • Want it spicy? Add red pepper flakes to the sausage mixture.

  • This reheats well and makes great leftovers for lunch.